Ответ:
\(1\frac{1}{6}=\frac{7}{6}\), \(2\frac{2}{19}=\frac{40}{19}\).
\(\frac{15}{28}\cdot\frac{7}{6}=\frac{5}{8}\).
\(3-\frac{5}{8}=\frac{19}{8}\).
\(\frac{19}{8}\cdot\frac{40}{19}=5\).
Ответ: 5.
\(1\frac{1}{6}=\frac{7}{6}\), \(2\frac{2}{19}=\frac{40}{19}\).
\(\frac{15}{28}\cdot\frac{7}{6}=\frac{5}{8}\).
\(3-\frac{5}{8}=\frac{19}{8}\).
\(\frac{19}{8}\cdot\frac{40}{19}=5\).
Ответ: 5.